3v4l.org

run code in 300+ PHP versions simultaneously
<?php function LevenshteinDistance($str1, $str2) { $d = array (); $len1 = mb_strlen($str1,"UTF-8"); $len2 = mb_strlen($str2,"UTF-8"); echo $len1.$len2; for ($i1 = 0; $i1 <= $len1; $i1++) { $d[$i1] = array (); $d[$i1][0] = $i1; } for ($i2 = 0; $i2 <= $len2; $i2++) { $d[0][$i2] = $i2; } for ($i1 = 1; $i1 <= $len1; $i1++) { for ($i2 = 1; $i2 <= $len2; $i2++) { $cost = ($str1[$i1 - 1] == $str2[$i2 - 1]) ? 0 : 1; $d[$i1][$i2] = min( $d[$i1 - 1][$i2 ] + 1, $d[$i1 ][$i2 - 1] + 1, $d[$i1 - 1][$i2 - 1] + $cost ); } } return $d[$len1][$len2]; } echo LevenshteinDistance("こんにちは","こんにち"); ?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0150.00316.63
8.3.60.0110.00716.49
8.3.50.0120.00722.09
8.3.40.0070.00718.75
8.3.30.0080.00619.27
8.3.20.0040.00420.22
8.3.10.0080.00023.48
8.3.00.0040.00422.40
8.2.180.0070.00716.50
8.2.170.0140.00022.96
8.2.160.0100.00322.26
8.2.150.0030.00624.18
8.2.140.0030.00524.66
8.2.130.0030.01026.16
8.2.120.0080.00022.27
8.2.110.0060.00322.08
8.2.100.0000.01317.91
8.2.90.0060.00319.25
8.2.80.0000.00817.97
8.2.70.0090.00017.59
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0070.00419.38
8.2.30.0000.00718.09
8.2.20.0050.00217.80
8.2.10.0040.00417.68
8.2.00.0060.00317.88
8.1.280.0070.00725.92
8.1.270.0040.00423.91
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.92
8.1.230.0040.00819.12
8.1.220.0000.00817.79
8.1.210.0040.00418.77
8.1.200.0030.00717.35
8.1.190.0060.00317.53
8.1.180.0040.00418.10
8.1.170.0090.00018.51
8.1.160.0000.00822.04
8.1.150.0070.00018.65
8.1.140.0000.00817.46
8.1.130.0040.00417.75
8.1.120.0000.00717.48
8.1.110.0030.00617.46
8.1.100.0000.00717.47
8.1.90.0050.00317.39
8.1.80.0030.00317.39
8.1.70.0030.00317.35
8.1.60.0040.00417.61
8.1.50.0000.00817.63
8.1.40.0050.00317.65
8.1.30.0000.00817.63
8.1.20.0050.00217.73
8.1.10.0070.00017.64
8.1.00.0080.00317.61
8.0.300.0040.00418.77
8.0.290.0030.00617.17
8.0.280.0040.00418.45
8.0.270.0000.00717.40
8.0.260.0030.00316.80
8.0.250.0000.00717.11
8.0.240.0000.00716.91
8.0.230.0000.00717.06
8.0.220.0040.00416.91
8.0.210.0000.00716.91
8.0.200.0040.00417.02
8.0.190.0030.00616.94
8.0.180.0070.00016.88
8.0.170.0000.00817.05
8.0.160.0030.00516.97
8.0.150.0070.00016.92
8.0.140.0030.00317.00
8.0.130.0030.00313.40
8.0.120.0040.00416.89
8.0.110.0070.00016.84
8.0.100.0050.00216.95
8.0.90.0000.00716.86
8.0.80.0030.01316.86
8.0.70.0030.00517.02
8.0.60.0040.00416.93
8.0.50.0000.00816.86
8.0.30.0090.00917.11
8.0.20.0120.00917.45
8.0.10.0030.00316.86
8.0.00.0140.00716.72
7.4.330.0050.00015.03
7.4.320.0060.00016.48
7.4.300.0060.00016.51
7.4.290.0000.00616.55
7.4.280.0050.00216.64
7.4.270.0000.00816.49
7.4.260.0070.00016.53
7.4.250.0050.00216.39
7.4.240.0000.00716.65
7.4.230.0030.00316.46
7.4.220.0090.01416.56
7.4.210.0090.00616.56
7.4.200.0000.00716.42
7.4.190.0030.00316.80
7.4.160.0030.01316.36
7.4.150.0100.01117.40
7.4.140.0070.01017.86
7.4.130.0080.00916.66
7.4.120.0100.01116.61
7.4.110.0110.00716.48
7.4.100.0100.01016.59
7.4.90.0100.00716.58
7.4.80.0100.00716.51
7.4.70.0060.01016.54
7.4.60.0100.01016.38
7.4.50.0050.00016.62
7.4.40.0110.00722.77
7.4.30.0120.00616.67
7.4.00.0070.00714.91
7.3.330.0030.00313.34
7.3.320.0030.00313.25
7.3.310.0070.00016.36
7.3.300.0000.00716.25
7.3.290.0150.00016.39
7.3.280.0080.00816.33
7.3.270.0110.00817.40
7.3.260.0130.00616.68
7.3.250.0120.00816.57
7.3.240.0100.01116.33
7.3.230.0090.00816.49
7.3.210.0110.00716.59
7.3.200.0160.00719.39
7.3.190.0110.00616.44
7.3.180.0060.00916.39
7.3.170.0100.00716.40
7.3.160.0090.00616.41
7.3.120.0050.00915.08
7.3.110.0090.00614.77
7.3.100.0070.00714.88
7.3.90.0030.00715.01
7.3.80.0080.00614.66
7.3.70.0000.01214.88
7.3.60.0000.01314.85
7.3.50.0080.00815.01
7.3.40.0090.00614.63
7.3.30.0080.00414.80
7.3.20.0000.00816.87
7.3.10.0090.00616.78
7.3.00.0100.00316.69
7.2.330.0050.01216.43
7.2.320.0030.01516.80
7.2.310.0140.00716.85
7.2.300.0000.02116.89
7.2.290.0140.00416.64
7.2.250.0070.01014.91
7.2.240.0070.01115.38
7.2.230.0000.01814.91
7.2.220.0060.00515.04
7.2.210.0140.00315.39
7.2.200.0060.01015.21
7.2.190.0000.01615.19
7.2.180.0040.00414.83
7.2.170.0060.00915.19
7.2.60.0030.01216.69
7.1.330.0100.00615.83
7.1.320.0060.00615.88
7.1.310.0040.00715.85
7.1.300.0070.00315.95
7.1.290.0030.00915.72
7.1.280.0000.00815.66
7.1.270.0000.01515.91
7.1.260.0040.01115.82
7.1.200.0070.00315.80
7.1.70.0040.00417.34
7.1.60.0100.01419.29
7.1.50.0140.01416.96
7.1.00.0100.07022.35
7.0.200.0080.00416.63
7.0.140.0100.06722.21
7.0.110.0100.08020.11
7.0.100.0070.08020.00
7.0.90.0030.08319.89
7.0.80.0070.08320.07
7.0.70.0200.03719.91
7.0.60.0130.07020.06
7.0.50.0100.07320.30
7.0.40.0070.08020.04
7.0.30.0070.08320.28
7.0.20.0070.05320.20
7.0.10.0070.04320.18
7.0.00.0130.07720.14
5.6.280.0030.07321.08
5.6.260.0130.07320.52
5.6.250.0030.08320.90
5.6.240.0100.07320.71
5.6.230.0100.07720.70
5.6.220.0170.06720.57
5.6.210.0100.07320.63
5.6.200.0070.05321.30
5.6.190.0070.08320.97
5.6.180.0130.06721.23
5.6.170.0200.07321.10
5.6.160.0070.08721.15
5.6.150.0130.07721.28
5.6.140.0130.07321.29
5.6.130.0100.07721.25
5.6.120.0130.06721.22
5.6.110.0100.08020.93
5.6.100.0130.06720.90
5.6.90.0000.08321.13
5.6.80.0070.05720.52
5.6.70.0170.07320.30
5.6.60.0100.08020.41
5.6.50.0130.07320.38
5.6.40.0030.06720.51
5.6.30.0070.07020.43
5.6.20.0070.08020.48
5.6.10.0000.04320.35
5.6.00.0070.07020.47
5.5.380.0170.06320.34
5.5.370.0030.07320.55
5.5.360.0130.06720.47
5.5.350.0130.04320.48
5.5.340.0130.07721.01
5.5.330.0070.03720.71
5.5.320.0070.08320.73
5.5.310.0100.07720.82
5.5.300.0070.06320.76
5.5.290.0030.08320.95
5.5.280.0100.07320.75
5.5.270.0170.07320.90
5.5.260.0070.08020.99
5.5.250.0070.07720.66
5.5.240.0100.06020.30
5.5.230.0100.08020.29
5.5.220.0130.07720.20
5.5.210.0070.07720.20
5.5.200.0130.06720.33
5.5.190.0130.07320.16
5.5.180.0070.08320.30
5.5.160.0070.08020.17
5.5.150.0070.06320.34
5.5.140.0070.08020.31
5.5.130.0100.05020.20
5.5.120.0100.04720.13
5.5.110.0130.07720.13
5.5.100.0000.07320.16
5.5.90.0170.04719.99
5.5.80.0230.06720.15
5.5.70.0270.03720.05
5.5.60.0000.05320.14
5.5.50.0070.03720.14
5.5.40.0000.06320.01
5.5.30.0070.04720.14
5.5.20.0100.07720.07
5.5.10.0070.06320.16
5.5.00.0130.07020.02
5.4.450.0130.04319.51
5.4.440.0070.05719.36
5.4.430.0130.06319.32
5.4.420.0100.07019.31
5.4.410.0200.06319.38
5.4.400.0130.07319.04
5.4.390.0100.07319.16
5.4.380.0070.04719.24
5.4.370.0030.07319.04
5.4.360.0070.07319.16
5.4.350.0070.07719.14
5.4.340.0070.07019.00
5.4.320.0070.08018.95
5.4.310.0100.04019.24
5.4.300.0170.05719.24
5.4.290.0100.07319.22
5.4.280.0100.07019.17
5.4.270.0070.07019.18
5.4.260.0170.06318.96
5.4.250.0030.07019.18
5.4.240.0100.05318.97
5.4.230.0070.05718.98
5.4.220.0070.06018.99
5.4.210.0000.04019.04
5.4.200.0030.06319.18
5.4.190.0070.04019.23
5.4.180.0030.08019.21
5.4.170.0130.06319.13
5.4.160.0030.04018.99
5.4.150.0170.06719.14
5.4.140.0030.07716.36
5.4.130.0100.05716.51
5.4.120.0130.07016.58
5.4.110.0100.07316.47
5.4.100.0030.07716.44
5.4.90.0030.06716.55
5.4.80.0000.06716.25
5.4.70.0030.07716.63
5.4.60.0130.04716.54
5.4.50.0130.04716.52
5.4.40.0070.07716.57
5.4.30.0000.04716.52
5.4.20.0100.06716.39
5.4.10.0030.07316.38
5.4.00.0070.07015.83
5.3.290.0130.05314.69
5.3.280.0130.07314.74
5.3.270.0070.07714.58
5.3.260.0030.05014.75
5.3.250.0130.07014.58
5.3.240.0030.08314.85
5.3.230.0000.07314.70
5.3.220.0130.05014.57
5.3.210.0070.04314.61
5.3.200.0030.07314.59
5.3.190.0030.06714.59
5.3.180.0100.07014.67
5.3.170.0130.06714.71
5.3.160.0100.07014.59
5.3.150.0130.06714.67
5.3.140.0070.06314.42
5.3.130.0070.07314.71
5.3.120.0030.07314.69
5.3.110.0030.08014.58
5.3.100.0030.05014.18
5.3.90.0100.06714.07
5.3.80.0070.04014.16
5.3.70.0030.07314.12
5.3.60.0070.08013.99
5.3.50.0100.06013.98
5.3.40.0100.07013.82
5.3.30.0030.07713.92
5.3.20.0170.06313.71
5.3.10.0070.07013.67
5.3.00.0070.06713.65
5.2.170.0030.06711.92
5.2.160.0000.06311.92
5.2.150.0100.05711.92
5.2.140.0100.05711.92
5.2.130.0130.05711.92
5.2.120.0130.05711.92
5.2.110.0000.07011.92
5.2.100.0100.05711.92
5.2.90.0000.06311.92
5.2.80.0000.04011.92
5.2.70.0000.05011.92
5.2.60.0000.06311.92
5.2.50.0030.06311.92
5.2.40.0000.06311.92
5.2.30.0000.04011.92
5.2.20.0130.06311.92
5.2.10.0070.04711.92
5.2.00.0030.05711.92
5.1.60.0070.05311.92
5.1.50.0070.05011.92
5.1.40.0030.05711.92
5.1.30.0000.06311.92
5.1.20.0070.05311.92
5.1.10.0030.03011.92
5.1.00.0070.05311.92
5.0.50.0070.04711.92
5.0.40.0070.04311.92
5.0.30.0100.05711.92
5.0.20.0100.03711.92
5.0.10.0030.04311.92
5.0.00.0030.05711.92
4.4.90.0000.02311.92
4.4.80.0030.02011.92
4.4.70.0000.02711.92
4.4.60.0000.03711.92
4.4.50.0000.03711.92
4.4.40.0000.05311.92
4.4.30.0070.03011.92
4.4.20.0030.03711.92
4.4.10.0000.03711.92
4.4.00.0000.06011.92
4.3.110.0000.04011.92
4.3.100.0070.03011.92
4.3.90.0000.02011.92
4.3.80.0030.05011.92
4.3.70.0030.03311.92
4.3.60.0000.03311.92
4.3.50.0100.02711.92
4.3.40.0030.05011.92
4.3.30.0000.03011.92
4.3.20.0100.01011.92
4.3.10.0070.03011.92
4.3.00.0000.03711.92

preferences:
41.69 ms | 401 KiB | 5 Q